WO2024256766A1 - Procédé de supervision d'un couple à la roue pour un groupe motopropulseur - Google Patents
Procédé de supervision d'un couple à la roue pour un groupe motopropulseur Download PDFInfo
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- WO2024256766A1 WO2024256766A1 PCT/FR2024/050642 FR2024050642W WO2024256766A1 WO 2024256766 A1 WO2024256766 A1 WO 2024256766A1 FR 2024050642 W FR2024050642 W FR 2024050642W WO 2024256766 A1 WO2024256766 A1 WO 2024256766A1
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- torque
- clutch
- gearbox
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/021—Introducing corrections for particular conditions exterior to the engine
- F02D41/0215—Introducing corrections for particular conditions exterior to the engine in relation with elements of the transmission
- F02D41/022—Introducing corrections for particular conditions exterior to the engine in relation with elements of the transmission in relation with the clutch status
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/38—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the driveline clutches
- B60K6/387—Actuated clutches, i.e. clutches engaged or disengaged by electric, hydraulic or mechanical actuating means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
- B60K6/48—Parallel type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
- B60K6/54—Transmission for changing ratio
- B60K6/547—Transmission for changing ratio the transmission being a stepped gearing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/02—Conjoint control of vehicle sub-units of different type or different function including control of driveline clutches
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- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/06—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/08—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of electric propulsion units, e.g. motors or generators
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- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W20/00—Control systems specially adapted for hybrid vehicles
- B60W20/50—Control strategies for responding to system failures, e.g. for fault diagnosis, failsafe operation or limp mode
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- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
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- B60W50/04—Monitoring the functioning of the control system
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- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W50/04—Monitoring the functioning of the control system
- B60W50/045—Monitoring control system parameters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/021—Introducing corrections for particular conditions exterior to the engine
- F02D41/0215—Introducing corrections for particular conditions exterior to the engine in relation with elements of the transmission
- F02D41/0225—Introducing corrections for particular conditions exterior to the engine in relation with elements of the transmission in relation with the gear ratio or shift lever position
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/22—Safety or indicating devices for abnormal conditions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
- B60K6/48—Parallel type
- B60K2006/4825—Electric machine connected or connectable to gearbox input shaft
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/10—Conjoint control of vehicle sub-units of different type or different function including control of change-speed gearings
- B60W10/11—Stepped gearings
- B60W10/113—Stepped gearings with two input flow paths, e.g. double clutch transmission selection of one of the torque flow paths by the corresponding input clutch
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W2050/0001—Details of the control system
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- B60W2050/0028—Mathematical models, e.g. for simulation
- B60W2050/0037—Mathematical models of vehicle sub-units
- B60W2050/0039—Mathematical models of vehicle sub-units of the propulsion unit
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W2050/0001—Details of the control system
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- B60W2050/004—Mathematical models of vehicle sub-units of the clutch
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W2050/0001—Details of the control system
- B60W2050/0019—Control system elements or transfer functions
- B60W2050/0028—Mathematical models, e.g. for simulation
- B60W2050/0037—Mathematical models of vehicle sub-units
- B60W2050/0041—Mathematical models of vehicle sub-units of the drive line
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W2050/0062—Adapting control system settings
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- B60W2050/0083—Setting, resetting, calibration
- B60W2050/0088—Adaptive recalibration
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
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- F02D2200/1002—Output torque
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02T10/60—Other road transportation technologies with climate change mitigation effect
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Definitions
- TITLE METHOD FOR MONITORING A WHEEL TORQUE FOR A POWERTRAIN
- a hybrid powertrain of a motor vehicle may comprise different torque-producing components such as a rotating electric machine and a heat engine associated with a gearbox via a clutch.
- the software architecture of an engine computer is based on a first functional level N1 implementing algorithms for determining torque levels and a torque distribution between the torque-producing components as well as a second supervision level N2 configured to detect random or systematic errors made at the functional level N1 likely to lead to a dangerous event and to apply a reconfiguration to avoid this risk.
- the levels N1 and N2 receive at input EE signals from other computers of the vehicle as well as sensor signals.
- the first functional level N1 comprises a plurality of functional modules MF1-MF8 described in more detail with FIG. 2 and a diagnostic module MD1 capable of reconfiguring or inhibiting a functional module in the event of error detection.
- the functional modules MF1-MF8 communicate with the computers Ci of the torque-producing members and of the gearbox in order to submit to them in particular torque and/or speed requests.
- the functional modules MF1-MF8 also send requests to actuators Ai of the powertrain, such as injectors of the thermal engine, a throttle body which manages a quantity of air entering the cylinders, or even a parking brake.
- the second supervision level N2 comprises a Mint interface module capable of ensuring signal routing from the functional modules MF1-MF8 to supervision modules MS1-MS8 configured to perform diagnostic calculations of the functional modules MF1-MF8.
- a diagnostic module MD2 manages requests for reconfiguration and/or communication cut-off of the engine computer with a corrective module Mcor according to the diagnostics performed by the supervision modules MS1-MS8.
- An external diagnostic tool Oext is capable of retrieving the fault codes generated by the MD2 diagnostic module.
- the first functional level N1 comprises a management module MF1 of the gear lever capable of selectively taking a position R (for “Reverse” in English) corresponding to reverse gear, a position N corresponding to the neutral position, or a position D (for “Drive” in English) corresponding to the forward gear of the vehicle.
- the management module MF1 therefore receives as input a signal S_lv representative of the position of the gear lever.
- the functional module MF3 makes it possible to determine the torque limitations of the torque-producing members which will be taken into account later when determining the torque distribution between the torque-producing members.
- the functional module MF4 makes it possible to determine a torque level desired by the driver depending on a press on the accelerator pedal P_acc.
- the MF5 functional module makes it possible to distribute torque between the torque-producing components.
- the MF6 functional module ensures torque smoothing in order to optimize driving pleasure.
- the ESP (Electronic Stability Program) type driving assistance system indicates to the functional module MF7 a level of torque to add or deduct to ensure the stability of the vehicle during a driving phase on wet ground in particular.
- the functional module MF7 then estimates a torque of the primary shaft of the gearbox.
- the transmission calculator or TCU (for Transmission Control Unit in English) is used to manage the torque levels transmitted by the clutches.
- the MF8 functional module performs a torque distribution between the thermal engine and the rotating electrical machine after taking into account the torque smoothing, the torque adaptation managed by the ESP system and the torque transmitted by the clutches. The MF8 module then controls the thermal engine and the rotating electrical machine accordingly.
- the N2 supervision level controls monitor the main torque outputs of each functional module MF1-MF8, from the interpretation of the torque request by the driver to the torque applied by the torque producers 11, 15.
- Each functional module MF1-MF8 of the torque structure is thus monitored by a corresponding MS1-MS8 supervision module to ensure that the functional module does not make a calculation error.
- a supervision module MS1 monitors the management of the gear lever carried out by the functional module MF1.
- the MS2 supervision module monitors the estimation of speed and torque of the torque-producing organs carried out by the functional module.
- the MS3 supervision module monitors the determination of the torque limitations of the torque-producing organs calculated by the MF3 functional module.
- the MS4 supervision module monitors the determination of the torque level desired by the driver based on a press on the accelerator pedal P_acc made by the MF4 functional module.
- the MS5 supervision module monitors the torque distribution between the torque-producing organs calculated by the MF5 functional module.
- the MS6 supervision module monitors the torque smoothing carried out by the MF6 functional module.
- the MS7 supervision module monitors the torque estimation of the primary shaft of the gearbox carried out by the MF7 functional module.
- the MS8 supervision module monitors the torque distribution between the thermal engine and the rotating electrical machine controlled by the MF8 functional module.
- the MD21 module manages the diagnostics issued by the MS1-MS8 supervision modules.
- the MD22 modules ensure the development of reconfiguration and communication cut-off requests from the engine computer.
- the following supervision module MS(n+1) does not take as input the output of the supervision module MS(n) but the output of the functional module MF(n).
- the existing system therefore does not allow for the detection of several consecutive torque determination errors below a detection threshold. The sum of all these errors can lead to a final torque achievement greater than the torque desired by the driver, which is likely to make the vehicle's behavior dangerous.
- the invention aims to effectively remedy this drawback by proposing a method for monitoring the torque of a hybrid powertrain of a motor vehicle comprising at least one first torque producer, and a gearbox associated with at least one clutch and comprising at least one primary shaft and one secondary shaft intended to be connected to at least one wheel of a motor vehicle, a second torque producer, a clutch for connecting and disconnecting the first torque producer being capable of selectively connecting the first torque producer to the gearbox when said clutch is in the closed state and of isolating the first torque producer from the gearbox when said clutch is in the open state, said method comprising:
- a step of determining an actual wheel torque taking into account a torque of the first torque producer, a torque of the second torque producer, a torque at the primary shaft, a state of the connection and disconnection clutch of the first torque producer, and a state of the gearbox clutch,
- the invention thus makes it possible, by directly monitoring the torque at the wheel, to avoid the accumulation of small errors in the torque demand leading to a dangerous event, such as involuntary acceleration.
- the invention also makes it possible to reduce the complexity of the system, which results in greater robustness of implementation of the method according to the invention.
- the first torque producer being a heat engine and the second torque producer being a rotating electric machine
- the actual wheel torque Cwr is determined by the following formula:
- - Cmth being the torque of the thermal engine
- - Et_K0 being a value corresponding to the state of the heat engine connection and disconnection clutch having a value of 1 when the heat engine connection and disconnection clutch is closed and 0 when the heat engine connection and disconnection clutch is open
- Et_cl_K1/K2 corresponding to the closing state of the gearbox clutch is equal to 1 and Et_sl_K1/K2 corresponding to the slipping state of the gearbox clutch is equal to 0.
- Et_cl_K1/K2 corresponding to the closing state of the gearbox clutch is equal to 0 and Et_sl_K1/K2 corresponding to the slipping state of the gearbox clutch is equal to 0.
- Et_cl_K1/K2 corresponding to the closing state of the clutch of the gearbox is equal to 0 and Et_sl_K1/K2 corresponding to the slipping state of the clutch of the gearbox is equal to 1.
- the torque of the thermal engine is estimated by an engine computer
- the torque of the rotating electrical machine is estimated by a computer of the rotating electrical machine
- the torque at The gearbox primary shaft level is estimated by a transmission computer.
- the corrective event is a reconfiguration of an engine computer implementing said method.
- the corrective event is a communication outage of an engine computer implementing said method.
- the invention also relates to an engine calculator comprising a memory storing software instructions for implementing the method as previously defined.
- FIG. 1 Figure 1, already described, is a high-level functional diagram of a torque management software architecture carried out by an engine computer according to the state of the art;
- FIG. 2 Figure 2, already described, is a low-level functional diagram of a torque management software architecture carried out by an engine computer according to the state of the art;
- FIG. 3 is a schematic representation of a powertrain implementing a method according to the invention for monitoring a torque at the wheel;
- Figure 4 is a low-level functional diagram of a torque management software architecture performed by an engine computer according to the invention.
- Figure 3 shows a hybrid powertrain 10 of a motor vehicle comprising a first torque producer, such as a heat engine 11 and an electric transmission device 12 mounted on a wheel set 13, in particular a front wheel set.
- a first torque producer such as a heat engine 11
- an electric transmission device 12 mounted on a wheel set 13, in particular a front wheel set.
- the gearbox 16 comprises at least one primary shaft 16.1, 16.1' and one secondary shaft 16.2.
- the gearbox 16 comprises a first primary shaft 16.1 associated with a first set of gear ratios, for example ratios 1-3-5, and connected to the clutch K1.
- a second primary shaft 16.1' is associated with a second set of gear ratios, for example ratios 2-4-6-7, and connected to the clutch K2.
- the secondary shaft 16.2 of the gearbox 16 is connected to the wheels via a differential and a lowering axle (not shown).
- the KO clutch is a clutch for connecting and disconnecting the heat engine 11.
- the KO clutch is capable of selectively connecting the heat engine 11 to the gearbox 16 when said KO clutch is in the closed state and of isolating the heat engine 11 from the gearbox 16 when said KO clutch is in the open state.
- the KO clutch is closed and the clutches K1 and K2 are alternately closed depending on the gear engaged.
- the KO clutch is arranged between the heat engine 11 and the rotating electrical machine 15. The insulation of the heat engine 11 from the gearbox 16 and therefore from the wheels is required in particular when the vehicle operates in a pure electric driving mode.
- the KO clutch is associated with a flywheel 17.
- the rotating electrical machine 15 is mounted between the clutch KO and the clutches K1, K2 for changing gears of the gearbox 16.
- the rotating electric machine 15 can be connected to the input of the gearbox 16 via a belt or chain reduction assembly 18.
- a first functional level N1 comprises a management module MF1 of the gear lever capable of selectively taking a position R (for “Reverse” in English) corresponding to reverse gear, a position N corresponding to the neutral position, or a position D (for “Drive” in English) corresponding to the forward gear of the vehicle.
- the management module MF1 therefore receives as input a signal S_lv representative of the position of the gear lever.
- a functional module MF2 makes it possible to estimate the speed and torque of the torque-producing members 11, 15.
- a driving assistance system of the ESP type indicates to the functional module MF7 a level of torque to be added or deducted to ensure the stability of the vehicle during a driving phase on wet ground in particular.
- the functional module MF7 estimates a torque of the primary shaft 16.1, 16.1' of the gearbox 16.
- a transmission calculator or TCU (for "Transmission Control Unit” in English) is used to manage the torque levels transmitted by the clutches KO, K1, K2.
- the functional module MF8 performs a torque distribution between the heat engine 11 and the rotating electric machine 15 after taking into account the torque smoothing, the torque adaptation managed by the ESP system and the torque transmitted by the clutches. The module MF8 then controls the heat engine 11 and the rotating electric machine 15 accordingly.
- the controls of a supervision level N2 monitor the main outputs of the functional modules MF1-MF8, from the interpretation of the torque request by the driver to the torque applied by the torque producers 11, 15.
- a supervision module MS1 monitors the management of the gear lever carried out by the functional module MF1.
- a supervision module MS2 monitors the estimation of speed and torque of the torque-producing members 11, 15 carried out by the functional module MF2.
- a supervision module MS3 monitors the determination of the torque limitations of the torque producing members 11, 15 calculated by the functional module MF3.
- a supervision module MS4 monitors the determination of the torque level desired by the driver based on a press on the accelerator pedal P_acc carried out by the functional module MF4.
- An MS5 supervision module monitors the torque distribution between the torque-producing organs calculated by the MF5 functional module.
- An MS6 supervision module monitors the torque smoothing carried out by the MF6 functional module.
- a supervision module MSgen determines a real wheel torque Cwr taking into account a torque of the thermal engine 11, a torque of the rotating electrical machine 15, a torque at the primary shaft 16.1, 16.1', a state of the clutch KO for connecting and disconnecting the first torque producer 11, and a state of the clutch KO, K1 of the gearbox 16.
- Et_cl_K1/K2 corresponding to the closing state of the clutch K1, K2 of the gearbox is equal to 0 and Et_sl_K1/K2 corresponding to the slipping state of the clutch K1, K2 of the gearbox is equal to 0.
- the torque of the thermal engine Cmth is estimated by the engine computer 21.
- the torque of the rotating electrical machine Cmel is estimated by a computer of the rotating electrical machine 15, and the torque at the primary shaft Cprim of the gearbox 16 is estimated by a transmission computer.
- the first torque producer 11 may be a rotating electric machine or a hydrogen engine.
- the second torque producer 15 may be a heat engine or a hydrogen engine.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Automation & Control Theory (AREA)
- Human Computer Interaction (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
- Hybrid Electric Vehicles (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP24732348.8A EP4728176A1 (fr) | 2023-06-15 | 2024-05-17 | Procédé de supervision d'un couple à la roue pour un groupe motopropulseur |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR2306110A FR3149848A1 (fr) | 2023-06-15 | 2023-06-15 | Procédé de supervision d'un couple à la roue pour un groupe motopropulseur |
| FRFR2306110 | 2023-06-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2024256766A1 true WO2024256766A1 (fr) | 2024-12-19 |
Family
ID=88146657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/FR2024/050642 Ceased WO2024256766A1 (fr) | 2023-06-15 | 2024-05-17 | Procédé de supervision d'un couple à la roue pour un groupe motopropulseur |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP4728176A1 (fr) |
| FR (1) | FR3149848A1 (fr) |
| WO (1) | WO2024256766A1 (fr) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2306110A1 (fr) | 1975-04-03 | 1976-10-29 | Knorr Bremse Gmbh | Essieu monte pour vehicules sur rails a freins a disques |
| WO2000026559A1 (fr) * | 1998-11-03 | 2000-05-11 | Robert Bosch Gmbh | Transmission pour vehicule automobile, en particulier transmission mecanique a embrayage double, et procede pour faire fonctionner cette transmission |
| FR2882698A1 (fr) * | 2005-03-01 | 2006-09-08 | Peugeot Citroen Automobiles Sa | Procede de decollage rapide d'un vehicule hybride |
| US10486678B2 (en) * | 2017-07-28 | 2019-11-26 | Ford Global Technologies, Llc | Engine torque estimate correction |
| WO2021111050A1 (fr) * | 2019-12-05 | 2021-06-10 | Psa Automobiles Sa | Procede de compensation d'erreurs de realisation de couple d'un moteur thermique dans une chaine de traction hybride |
| FR3120593A1 (fr) * | 2021-03-11 | 2022-09-16 | Psa Automobiles Sa | Procede de correction d’une erreur de couple d’un moteur thermique par une machine electrique de traction |
| DE102022111752A1 (de) * | 2021-05-13 | 2022-11-17 | Dana Belgium N.V. | Diagnose- und Steuerungsverfahren für ein Fahrzeugsystem. |
| FR3129904A1 (fr) * | 2021-12-07 | 2023-06-09 | Psa Automobiles Sa | Procédé de démarrage et d'accouplement d'un moteur thermique dans une chaine de traction hybride de véhicule automobile |
-
2023
- 2023-06-15 FR FR2306110A patent/FR3149848A1/fr active Pending
-
2024
- 2024-05-17 EP EP24732348.8A patent/EP4728176A1/fr active Pending
- 2024-05-17 WO PCT/FR2024/050642 patent/WO2024256766A1/fr not_active Ceased
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2306110A1 (fr) | 1975-04-03 | 1976-10-29 | Knorr Bremse Gmbh | Essieu monte pour vehicules sur rails a freins a disques |
| WO2000026559A1 (fr) * | 1998-11-03 | 2000-05-11 | Robert Bosch Gmbh | Transmission pour vehicule automobile, en particulier transmission mecanique a embrayage double, et procede pour faire fonctionner cette transmission |
| FR2882698A1 (fr) * | 2005-03-01 | 2006-09-08 | Peugeot Citroen Automobiles Sa | Procede de decollage rapide d'un vehicule hybride |
| US10486678B2 (en) * | 2017-07-28 | 2019-11-26 | Ford Global Technologies, Llc | Engine torque estimate correction |
| WO2021111050A1 (fr) * | 2019-12-05 | 2021-06-10 | Psa Automobiles Sa | Procede de compensation d'erreurs de realisation de couple d'un moteur thermique dans une chaine de traction hybride |
| FR3120593A1 (fr) * | 2021-03-11 | 2022-09-16 | Psa Automobiles Sa | Procede de correction d’une erreur de couple d’un moteur thermique par une machine electrique de traction |
| DE102022111752A1 (de) * | 2021-05-13 | 2022-11-17 | Dana Belgium N.V. | Diagnose- und Steuerungsverfahren für ein Fahrzeugsystem. |
| FR3129904A1 (fr) * | 2021-12-07 | 2023-06-09 | Psa Automobiles Sa | Procédé de démarrage et d'accouplement d'un moteur thermique dans une chaine de traction hybride de véhicule automobile |
Also Published As
| Publication number | Publication date |
|---|---|
| FR3149848A1 (fr) | 2024-12-20 |
| EP4728176A1 (fr) | 2026-04-22 |
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